Famitsu reports Wii U sold 308,570 units in just two days. Nintendo’s new system launched in Japan on December 8 and early sales numbers include December 9.

The top selling game was New Super Mario Bros. U with 170,563 units sold. Roughly, 55% of people that bought a Wii U purchased Mario. Monster Hunter 3 Ultimate was the second best selling title with 110,159 units sold and a 36% attach rate.

Nintendo Land clocked in at number 3 with 78,461 units and a 25% attach rate. Unlike North America and Europe, Nintendo Land was not bundled the Deluxe Set. In Japan, Deluxe Set owners got an invite to the Dragon Quest X beta instead.